Some side effects of cefazolin may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

A case of occupational contact dermatitis due to cephalosporin allergy has been reported in a nurse who prepared cephalosporin solutions for administration to patients. The dermatitis resolved after the nurse stopped preparing the solutions.[Ref]

A 26-year-old hemodialysis patient with a coagulase-positive staphylococcal arteriovenous fistula graft infection was found to have a hematoma and increased thrombin, prothrombin, and partial thromboplastin times after receiving 1 g IV followed by 0.5 g every 8 hours for 12 days. The laboratory changes resolved after therapy was stopped, but recurred when this drug was reinstituted.[Ref]